New Delhi, Aug. 11 -- India is preparing a major push to unclog its increasingly stretched green power grid, with the ministry of new and renewable energy (MNRE) set to shortly seek Union cabinet's approval for the over Rs.50,000-crore third phase of India's green energy corridor, according to two government officials.

The much-awaited new phase will strengthen intra-state transmission networks in renewable energy (RE)-rich states, including Gujarat, Rajasthan, Karnataka, Maharashtra and Andhra Pradesh, they said. Most of the projects under this phase are expected to be in Gujarat, followed by Rajasthan.

The push comes as India's rapid addition of solar and wind capacities outpace the grid's ability to evacuate the power, forcing genera...